F(3)=-18
You just replace x for three for your equation and then use Ofer of operations to solve it.
So f(3)= 21+ 2(3)-5(3)^2
The exponent goes first: f(3)= 21+ 2(3)-5(9)
Next is multiplication: f(3)= 21+ 6-45
Now add: f(3)= 27-45
Finally subtract: f(3)= -18
Hope this helps!
Answer:
q = 90
Step-by-step explanation:
q / 18 = 5
do the reverse from the right side of the problem
/18 = 5
= * 18 = 5
= 5 * 18 = q
q = 90
Answer:
YES
Step-by-step explanation:
YES
Answer:
31
Step-by-step explanation:
Add all of the integers together then divide by 4 bc thats how many integers there are in order to get the mean.
